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首页> 外文期刊>Desalination and water treatment >Methylene blue adsorption onto granular activated carbon prepared from Harmal seeds residue
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Methylene blue adsorption onto granular activated carbon prepared from Harmal seeds residue

机译：亚甲基蓝吸附于由有害种子残渣制得的颗粒状活性炭上

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摘要

In this research, application of granular activated carbon prepared from Harmal seeds residue as a new adsorbent for methylene blue (MB) removal from aqueous solutions was investigated. Adsorption equilibrium and kinetic data were studied. The results demonstrated that the equilibrium data were well represented by Langmuir isotherm model, with maximum monolayer adsorption capacity of 1111.11 mg/g. The dimensionless factor (R_L) revealed the favorable nature of this adsorption system. The kinetic data were found to follow the pseudo-second-order kinetic model. Effect of initial concentration on the adsorption mechanism of MB onto the prepared activated carbon was also investigated.
机译：在这项研究中，研究了将由Harmal种子残留物制备的颗粒状活性炭作为一种新型吸附剂从水溶液中去除亚甲基蓝（MB）的应用。研究了吸附平衡和动力学数据。结果表明，Langmuir等温模型很好地代表了平衡数据，最大单层吸附量为1111.11 mg / g。无量纲因子（R_L）揭示了该吸附系统的有利性质。发现动力学数据遵循伪二级动力学模型。还研究了初始浓度对MB在制备的活性炭上的吸附机理的影响。

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